Error while installing SAP NetWeaver 7.0


I try to install SAP netweaver Application Abap and have the following message

"An error occurred while processing option SAP NetWeaver 7.0 including Enhancement Package 2 > SAP Application Server ABAP > MaxDB > Central System > Central System( Last error reported by the step :Error converting from IP address to host name. SAPRETURN: 0xfffffffe). You can now:"